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Finding the Fourth Proportional to 68,528.85, 102,793.77 and 24,156.42

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Solution

The fourth proportional to 68,528.85, 102,793.77 and 24,156.42 is: 36,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,528.85 : 102,793.77 = 24,156.42 : x
  2. Step 2: Convert to fraction form
    68,528.85/102,793.77 = 24,156.42/x
  3. Step 3: Cross multiply
    68,528.85x = 102,793.77 × 24,156.42
  4. Step 4: Simplify right side
    68,528.85x = 2,483,129,481.50
  5. Step 5: Solve for x
    x = 2,483,129,481.50/68,528.85
  6. Step 6: Final answer
    x = 36,234.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.